Mathix 2002TON
Brief History
The german catalog store — as the competitors did — offered a whole family of calculators of its own Mathix brand, which are produced mostly in Hong Kong and Taiwan, but they used japanese circuits. The very stylish Mathix 2002TON has a unique feature: it beeps when a key was pressed. This feature was very common in small, credit card sized thin calculators, because pressing the miniature keys can’t be recognized by fingers anymore. This calculator has a NEC D1831G IC, which provides fixed point display and adding machine mode too.
| Manufacturer: | Neckermann Versand AG (West-Germany) |
| Mfg. date: | 1980 |
| Size: | 6×10,8×0,9 cm |
| Weight (ready for operate): | 50 g |
| Type: | extended four-function |
| Capacity: | 8 digits (input/display) 8 digits (internal precision) |
| Operating logic: | algebraic |
| CPU: | NEC D1831G |
| Registers: | 2 standard (with saving the pending operation) 1 constant (with saving the pending operation) 1 bracket (with saving the pending operation) 1 memory (with aritmetic) |
| Features: | %calculation with percent +/-change sign (direct entry of negative numbers) RVexchange registers (X-Y) AddAdd mode: the last two digit will be the fraction Ffloating-point notation Fixfixed-point notation: the listed decimals can be chosen (0-4) Sqrsquare root x2square pivalue of pi (3.1415..) can be recalled 1/xreciprocal |
| Display: | 8+1 digit LCD |
| Power: | 2×LR43 button cells |
Mathix 2002TON
Inside of the 2002TON
Inside of the 2002TON
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